Terrorism around the globe has the city of New York on alert with massive crowds swarming to watch the Macy's Thanksgiving Day Parade. FOX's Bryan Llenas and Tonya J Powers explain how major events like this have changed as terror groups adjust their strategies.

We all know the story of the first Thanksgiving, but Deputy Director of the Plimoth Plantation, Richard Pickering, tells the long-disputed story of how the pilgrims Thanksgiving evolved into the feast of modern day.

And, a commentary from FOX News Talk host Tom Shillue.